Requested reference

Charitonov, D. E. (1926b). Materialy k faouniƩ paoukow Werchotourskogo Ourala. Izwestia Biologitschieskogo naoutschno-Issliedowatielskogo Institouta pri Permskom Ouniwersitete 5: 49-60. download pdf -- Show included taxa

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